{{B}}第一节 单项填空{{/B}}

从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。

— i hEAr thAt jACk hAD A CAr ACCiDEnt yEstErDAy. — i won’t BEliEvE it. hE ______.A．shoulDn’t hAvE BEEn so CArElEss
B．woulDn’t BE so CArElEss
C．CoulDn’t BE so CArElEss
D．mustn’t BE so CArElEss